student_manage_system/stu_jiuye/model.py

from sqlalchemy import ForeignKey

from database import DATETIME,Base,Column,Integer,String,engine
from datetime import datetime


# class Student(Base):
#     __tablename__ = 'Student'
#     id = Column(Integer
#                 , primary_key=True
#                 , autoincrement=True
#                 # 外键
#                 ,comment='自增主键'
#                 )
#     stuname = Column(String(50)
#                 ,nullable=False
#                   )
#     stuid=Column(Integer
#                  ,nullable=False
#                  )
#     stuclass=Column(String(50)
#                 ,nullable=False
#     )
#     created_date = Column(DATETIME
#                           ,default=datetime.now
#                           )
#     updated_date = Column(DATETIME
#                           ,default=datetime.now
#                           ,onupdate=datetime.now
#                           )


class Employments(Base):                                            #学生就业信息基类
    __tablename__ = 'Employments'                                   #表名
    id = Column(Integer                                         #主键，自增主键
                , primary_key=True
                , autoincrement=True
                # , ForeignKey='student.id'
                , comment='自增主键'
                )
    sname  = Column(String(50))                                #学生姓名，冗余字段
    class_num  = Column(Integer)                               #学生班级，冗余字段

    # compname=Column(String(50)
    #                 ,nullable=False
    #                )
    company_id = Column(Integer                                  #公司id，外键匹配公司表
                        , ForeignKey('Company.id')
                        , nullable=False

                        )
    # address_id = Column(Integer
    #                     , ForeignKey('Address.id')
    #                     , nullable=False
    #                     )
    employment_salary  = Column(Integer)                                    #薪资

    employment_open_time = Column(DATETIME)                 #就业开放时间

    offer_recived_time = Column(DATETIME)                            #offer下发时间

    create_time  = Column(DATETIME                          #创建数据时间
                          , default=datetime.now
                          )
    update_time  = Column(DATETIME                          #更新数据时间
                          , default=datetime.now
                          , onupdate=datetime.now
                          )
    is_deleted = Column(Integer, default=0)                     #是否为删除信息，默认为0

class Company(Base):                                                #公司信息基类
    __tablename__ = 'Company'                                       #表名
    id = Column(Integer
                , primary_key=True
                ,autoincrement=True
                )                                                   #主键id，自增主键
    employment_company = Column(String(50)                                #公司姓名
                      , nullable=False                                #非空约束
                      )
    address_id = Column(Integer                                 #地址id,匹配地址表
                        , ForeignKey('Address.id')                  #外键地址表id
                        , nullable=False                            #非空约束
                        )
    created_date = Column(DATETIME
                          , default=datetime.now
                          )
    updated_date = Column(DATETIME
                          , default=datetime.now
                          , onupdate=datetime.now
                          )
    is_deleted = Column(Integer, default=0)

class Address(Base):
    __tablename__ = 'Address'
    id = Column(Integer                                         #地址id,自增主键
                , primary_key=True
                ,autoincrement=True
                )
    somewhere=Column(String(50)                                 #地址区域
                     , nullable=False
                     )
    created_date = Column(DATETIME
                          , default=datetime.now
                          )
    updated_date = Column(DATETIME
                          , default=datetime.now
                          , onupdate=datetime.now
                          )
    is_deleted = Column(Integer, default=0)